{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0x33af653642223e46a7621ff04eea6e9360523863697ad5c40c0bcc0ccbd524e3",
    "signature": "0x6caabc77292bed9cebaa576aa902e513033a92a8969c3f488ded3481b96608d05c23763fddb90aea5045a9443e18e8697e201fbb36873b8565aba19b61e62d671c",
    "signer": "0xaFdEC27229de1023f5322f4Dbf0e874dC548011F",
    "userId": "817564020"
  }
}